[tex]\huge\bold\purple{Question}[/tex] Saméër drives North for 35 minutes at 85 km/hr and then stops at Sïddhí's house for 15 minutes. He next continues North, travelling 130 km in 2 hours. What is his total displacement?
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Answer:
179.6 km
Given,
Displacement in first event = speed×time= 85 ×35/60
=49.58km
Displacement in second event = 130 km
Net displacement D=49.58+130=179.58km
Explanation:
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Answer:
A motorist drives north for 35.0 minutes at
85.0 km/h and then stops for 15.0 minutes.
He next continues north, travelling 130 km in
2.00 hours. What is his total displacement
ᴄᴀsᴇ1:
ᴅɪsᴛᴀɴᴄᴇ ᴛʀᴀᴠᴇʟʟᴇᴅ ɪɴ ғɪʀsᴛ ᴄᴀsᴇ =
ᴄᴀsᴇ 2:
ғɪɴᴀʟʟʏ ᴛᴏᴛᴀʟ ᴅɪsᴛᴀɴᴄᴇ ᴛʀᴀᴠᴇʟʟᴇᴅ ʙʏ sᴀᴍᴇᴇʀ ɪs = 130+49.555=179.555=179.6
Explanation:
ᴛ1=0.583 ʜʀ
ᴛ2=2 ʜʀ
s1=49.555 ᴋᴍ
s2=130 ᴋᴍ
sɴᴇᴛ=179.6
ᴠ1=23.611ᴍ/s=85ᴋᴍᴘʜ